.header {
  height: 50px;
  line-height: 50px;
  width: 100%;
  padding: 0 50px;
  background-color: #444;
  img {
    width: 120px;
    margin-right: 10px;
  }
  input {
    width: 233px;
    height: 24px;
    border-radius: 15px;
    background-color: #666;
  }
}
.main {
  padding: 10px 50px;
  display: flex;
  min-height: 500px;

  .left {
    flex: 3;
    margin-right: 10px;
    button {
      margin: 5px 10px;
    }
    img {
      width: 30px;
      height: 30px;
    }
    span {
      margin-left: 8px;
      a {
        text-decoration: none;
        color: #333;
      }
    }
  }
  .right {
    flex: 1;
  }
}
